UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wb83KHtBmvybXc0btjfKdd5HvBtMN2doFJfx9CUrebE=' 
WHERE 
  key_id = '843876b11374e3cd5110dacca16a936c02a2ffc9e2ea143867d62473c626814f' 
  AND (
    token = 'Wb83KHtBmvybXc0btjfKdd5HvBtMN2doFJfx9CUrebE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )